Preheat your oven to 350°F. Prepare your brownie batter.
2. Step
Spray a muffin tin pan with nonstick cooking spray.
3. Step
Press down cookie dough into each muffin tin. Then, press a Reese’s cup into the middle of each cup and fill each cup with brownie batter until the other layers are covered.
4. Step
Bake for 20 minutes. Then, remove and cool in the fridge for 15 minutes.